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| Title | 40 GHz Bandwidth and 64 GHz Resonance Frequency in Injection-Locked 1.55 #956;m VCSELs |
| Publication Type | Journal Article |
| Year of Publication | 2007 |
| Authors | Chrostowski, L., B. Faraji, W. Hofmann, M. - C. Amann, S. Wieczorek, and W. W. Chow |
| Journal | Selected Topics in Quantum Electronics, IEEE Journal of |
| Volume | 13 |
| Pagination | 1200 -1208 |
| Date Published | sep. |
| ISSN | 1077-260X |
| Keywords | bandwidth 40 GHz, frequency 10 GHz to 60 GHz, frequency 64 GHz, frequency response, Injection locking, laser mode locking, laser resonance frequency, light polarisation, polarization modes, rate equation model, Semiconductor lasers, surface emitting lasers, VCSEL, Vertical cavity surface emitting lasers, wavelength 1.55 mum |
| Abstract | Injection locking is shown to greatly enhance the resonance frequency of 1.55 mum vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model. |
| URL | http://dx.doi.org/10.1109/JSTQE.2007.904417 |
| DOI | 10.1109/JSTQE.2007.904417 |